Convert wake_up_page_bit() to folio_wake_bit().  All callers have a folio,
so use it directly.  Saves 66 bytes of text in end_page_private_2().
Signed-off-by: NMatthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: NChristoph Hellwig <hch@lst.de>
Acked-by: NJeff Layton <jlayton@kernel.org>
Acked-by: NKirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: NVlastimil Babka <vbabka@suse.cz>
Reviewed-by: NWilliam Kucharski <william.kucharski@oracle.com>
Reviewed-by: NDavid Howells <dhowells@redhat.com>
Acked-by: NMike Rapoport <rppt@linux.ibm.com>